Question

HCF of 13 and 31 it is in my book​

Answer 1

13 does not have any factors other than itself , as it is a prime number. First of all HCF is the Largest number which divides the given number. Here 13 can divide both numbers without remainder. Therefore HCF of 13 and 455 is 13.

So what?

Agar book mein likha hai toh yaha pucchne ki kya jarurat?

Answer 2

Answer:

answer is 1

the because both are prime no.